The median/average age of the population of Adventure Bay is 55 years of age.

82.5% of people living in the suburb of Adventure Bay were born in Australia. The other top responses for country of birth were 5.3% England, 1.9% Switzerland, 1.5% New Zealand, 0.9% Finland, 0.9% United States of America, 0.8% Canada, 0.8% South Africa, 0.8% Ireland, 0.8% Germany.

93.6% of people living in Adventure Bay speak English only. The other top languages spoken are 2.6% Language spoken at home not stated, 2.3% German, 0.9% Other, 0.6% Polish.

51.4% of people are married, 22.5% have never married and 15.3% are divorced and 3.7% are separated. There are 33 widowed people living in Adventure Bay.

36.0% of the people living in Adventure Bay over the age of 15 and who identify as being in the labour force are employed full time, 44.5% are working on a part time basis. Adventure Bay has an unemployment rate of 9.0%.